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Refractory products for lining of steel teeming ladles

Refractory products for lining of steel teeming ladles

Refractory products for lining of steel teeming ladles are designed for lining of steel teeming ladles and other thermal units

Technical characteristics

 

Norm for mark

 

SHKU-32

SHKU-37

MKRKU-45

MKRKP-45

MLKS-62

GOST 5341-2016

Mass fraction, %:

Al2O3, no less

Al2O3, over

Fe2O3, no more

 

32

-

-

 

37

-

-

 

-

45

3,5

 

-

45

3,5

 

-

62

1,4

Refractory property, °C, no low than

1690

1730(1710)*

1730

1730

-

Compressive resistance, N/mm2, no less

27

30(27)*

35

40

30

Open porosity, %, no more

19

18(19)*

18

16

22

Residual changes in the sizes during heating,%, no more, at the temperature:


1400 °C
1500 °C



 

+0,3
-



 

+0,3
-



 

+0,4
-



 

+0,2
-



 

-
+0,4

Onset temperature of softening, °C, no low than

1370

1400(1370)*

1400

1400

1450

Thermal resistance, thermal cycling , no less

4

4(3)*

3

4

-

* The indicator values for products made from the clays of the Arkalyk and Berlin natural occurrence are indicated in brackets

Technical characteristics

 

Norm for mark

 

MLKU-62

MLKU -69

MKKS-72

MKKS-75

MKKS-90

GOST 5341-2016

Mass fraction, %:

Al2O3, no less

Al2O3, over

Fe2O3, no more

 

-

62

1,1

 

69

-

1,0

 

-

72

1,5

 

75

-

2,2

 

90

-

0,8

Compressive resistance, N/mm2, no less

50

50

30

40

50

Open porosity, %, no more

17

19

24

23

24

Residual changes in the sizes during heating, %, no more, at the temperature:


1600 °C

-

-

+1,0

+2,5

-

Onset temperature of softening, °C, no low

1600

1650

1500

1420

1660

Thermal resistance*, thermal cycling , no less

15

15

-

3

-

* It is determined by the agreement of the consumer with the producer.

 

 Norm for mark

 

KMKRU -45

KMKRU -50

KMKRU -55

ТS 14-8-647-94 with a change1-3

Mass fraction, %:

Al2O3, no less

Fe2O3, no more

 

45

3,5

 

50

4,4

 

55

4,0

Refractory property, °C, no low

1730

1730

1730

Compressive resistance, N/mm2, no less

35

33

35

Open porosity, %, no more

19

19

19

Residual changes in the sizes during heating, %, no more, at the temperature:

1400 °C  

  

0,4

 

 0,4

 

 0,4

Thermal resistance, thermal cycling , no less than

4

4

4

 

 

Norm for mark

 

KBU

KBU

ТS 14-194-300-10 with a change 1

Mass fraction, %:

Al2O3, no less

Fe2O3, no more

 

55

4

 

60

3

Refractory property, °C, no low

1750

1770

Compressive resistance, N/mm2, no less

35

45

Open porosity, %, no more

20

19

Residual changes in the sizes during heating, %, no more than, at the temperature:

1400 °C

 

 up -0,4 to +1,0

 

 up -0,4 to +1,0

Thermal resistance, thermal cycling , no less

4

6

Form and sizes

Double sided neck brick

 

Product number

Sizes, mm

Complexity unit

 

S

S1

L

H- thickness of course

 

1

140

120 

250 

65 

2

140

125

250

80

4

80

68

300

120

4

2b

80

68

300

160

4

Double sided trapezoidal brick

Product number

Sizes, mm

mComplexity unit

 

S

S1

L

H- thickness of course

 

3

140 

135 

250 

65 

4

140

135

250

80

4

Double sided trapezoidal brick

Product number

Sizes, mm

Complexity unit

 

S

S1

L

H- thickness of course

 

6

250 

239 

80 

80 

7

210

181

100

80

4

8

230

209

100

80

4

9

250

236

100

80

4

10

210

176 

120

80

4

11

230

206

120

80

4

12

230

212

120

80

4

13

250

235

120

80

4

14

210

178 

150

80

4

14а

225

205 

150

80

4

15

230

205 

150

80

4

15а

245

210 

150

80

4

16

250

232 

150

80

4

16а

250

228 

150

80

4

18

220

192 

200

80

4

19

240

216 

200

80

4

20 

230

200 

250

80

4

21 

250

221 

250

80

4

Wedge product

Product number

Sizes, mm

Complexity unit

 

S

S1

L

H1

H- thickness of course

 

by proportion b/b1≥1/

21a 

240

213

200

60

80

4

Product number

Sizes, mm

Complexity unit

 

S

S1

H

H1

L- thickness of course

 

by proportion b/b1≤1

22

230 

205

40 

40 

150 

23

230

205

40

50

150

4

24

230

205

50

60

150

3

25

230

205

60

70

150

4

26

230

205

70

80

150

4

27

220

192

40

40

200

4

28

220

192

40

50

200

4

29

220

192

50

60

200

3

30

220

192

60

70

200

4

31

220

192

70

80

200

5

32

250

221

40

40

250

5

33

250

221

40

50

250

4

34

250

221

50

60

250

4

35

250

221

60

70

250

4

36

250

221

70

80

250

5

Straight brick

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